1361453224465 has 12 divisors (see below), whose sum is σ = 1707864577524. Its totient is φ = 1041807682784.

The previous prime is 1361453224463. The next prime is 1361453224493. The reversal of 1361453224465 is 5644223541631.

It can be written as a sum of positive squares in 2 ways, for example, as 328538751489 + 1032914472976 = 573183^2 + 1016324^2 .

It is not a de Polignac number, because 1361453224465 - 2¹ = 1361453224463 is a prime.

It is a super-2 number, since 2×1361453224465² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361453224463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 257360914 + ... + 257366203.

It is an arithmetic number, because the mean of its divisors is an integer number (142322048127).

Almost surely, 2^{1361453224465} is an apocalyptic number.

It is an amenable number.

1361453224465 is a deficient number, since it is larger than the sum of its proper divisors (346411353059).

1361453224465 is an equidigital number, since it uses as much as digits as its factorization.

1361453224465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514727168 (or 514727145 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 46.

The spelling of 1361453224465 in words is "one trillion, three hundred sixty-one billion, four hundred fifty-three million, two hundred twenty-four thousand, four hundred sixty-five".